<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
	<script type="text/javascript" src="common.js"></script>
	<style type="text/css">
		#img1{
			position: absolute;
			height: 50px;
			width:70px;
		}
	</style>
</head>
<body>
	<img id= "img1" src="background/bj1.jpg" >
</body>
	<script type="text/javascript">
		
		document.onmousemove = function(e){
			my$('img1').style.left = e.clientX + 'px';
			my$('img1').style.top = e.clientY + 'px';
		}
	</script>
</html>